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var React = require('react'), | |
{ ButtonGroup, Button } = require('react-bootstrap'), | |
ResultPaging = React.createClass({ | |
displayName: 'ResultPaging', | |
propTypes: { | |
page: React.PropTypes.number, | |
pageSize: React.PropTypes.number, | |
totalCount: React.PropTypes.number, | |
changePage: React.PropTypes.func | |
}, | |
getDefaultProps: function() { | |
return { | |
page: 1, | |
pageSize: 10, | |
totalCount: 1 | |
}; | |
}, | |
handleClick: function(value, e) { | |
e.preventDefault(); | |
if (value !== this.props.page) { | |
this.props.changePage(value); | |
} | |
}, | |
render: function() { | |
var totalPages = Math.ceil(this.props.totalCount / this.props.pageSize), | |
pages = [], | |
minPageRange = Math.max(this.props.page - 3, 1), | |
maxPageRange = Math.min(minPageRange + 6, totalPages), | |
diff = maxPageRange - minPageRange; | |
// make sure we always show at least 7 pages. | |
if (diff > 0 && diff < 6 && minPageRange > diff && totalPages > 6) { | |
minPageRange -= (6 - diff); | |
} else if (totalPages <= 6) { | |
minPageRange = 1; | |
maxPageRange = totalPages; | |
} | |
// go back | |
pages.push(<Button | |
key={0} | |
onClick={this.handleClick.bind(this, 1)} | |
disabled={(this.props.page - 1) <= 0}> | |
<i className='fa fa-angle-double-left fa-lg' /> | |
</Button>); | |
for (let i = minPageRange; i <= maxPageRange; i++) { | |
pages.push(<Button | |
key={i} | |
onClick={this.handleClick.bind(this, i)} | |
className = { (i === this.props.page) ? 'selected-button' : ''}> | |
{i} | |
</Button>); | |
} | |
// go forward | |
pages.push(<Button | |
key={totalPages + 1} | |
onClick={this.handleClick.bind(this, totalPages)} | |
disabled={this.props.page === maxPageRange}> | |
<i className='fa fa-angle-double-right fa-lg' /> | |
</Button>); | |
return ( | |
<ButtonGroup className='c-result-paging'> | |
{pages} | |
</ButtonGroup> | |
); | |
} | |
}); | |
module.exports = ResultPaging; |
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